Add DLP::SRVR service

CMakeLists.txt

@@ -82,7 +82,7 @@ set(SERVICE_SOURCE_FILES src/core/services/service_manager.cpp src/core/services
                          src/core/services/ac.cpp src/core/services/am.cpp src/core/services/boss.cpp
                          src/core/services/frd.cpp src/core/services/nim.cpp src/core/services/shared_font.cpp
                          src/core/services/y2r.cpp src/core/services/cam.cpp src/core/services/ldr_ro.cpp
-                         src/core/services/act.cpp src/core/services/nfc.cpp
+                         src/core/services/act.cpp src/core/services/nfc.cpp src/core/services/dlp_srvr.cpp
 )
 set(PICA_SOURCE_FILES src/core/PICA/gpu.cpp src/core/PICA/regs.cpp src/core/PICA/shader_unit.cpp
                       src/core/PICA/shader_interpreter.cpp
@@ -112,7 +112,7 @@ set(HEADER_FILES include/emulator.hpp include/helpers.hpp include/opengl.hpp inc
                  include/fs/archive_ext_save_data.hpp include/services/shared_font.hpp include/fs/archive_ncch.hpp
                  include/renderer_gl/textures.hpp include/colour.hpp include/services/y2r.hpp include/services/cam.hpp
                  include/services/ldr_ro.hpp include/ipc.hpp include/services/act.hpp include/services/nfc.hpp
-                 include/system_models.hpp
+                 include/system_models.hpp include/services/dlp_srvr.hpp
 )
 
 set(THIRD_PARTY_SOURCE_FILES third_party/imgui/imgui.cpp

include/kernel/handles.hpp

@@ -18,11 +18,12 @@ namespace KernelHandles {
 		CAM,  // Camera service
 		CECD, // More Streetpass stuff?
 		CFG,  // CFG service (Console & region info)
+		DLP_SRVR, // Download Play: Server. Used for network play.
+		DSP,  // DSP service (Used for audio decoding and output)
 		HID,  // HID service (Handles everything input-related including gyro)
         FRD,  // Friend service (Miiverse friend service)
 		FS,   // Filesystem service
 		GPU,  // GPU service
-		DSP,  // DSP service (Used for audio decoding and output)
 		LCD,  // LCD service (Used for configuring the displays)
 		LDR_RO, // Loader service. Used for loading CROs.
 		MIC,  // MIC service (Controls the microphone)
@@ -64,10 +65,11 @@ namespace KernelHandles {
 			case CAM: return "CAM";
 			case CECD: return "CECD";
 			case CFG: return "CFG";
+			case DSP: return "DSP";
+			case DLP_SRVR: return "DLP::SRVR";
 			case HID: return "HID";
 			case FRD: return "FRD";
 			case FS: return "FS";
-			case DSP: return "DSP";
 			case GPU: return "GSP::GPU";
 			case LCD: return "GSP::LCD";
 			case LDR_RO: return "LDR:RO";

include/logger.hpp

@@ -38,6 +38,7 @@ namespace Log {
     static Logger<false> cecdLogger;
     static Logger<false> cfgLogger;
     static Logger<false> dspServiceLogger;
+    static Logger<false> dlpSrvrLogger;
     static Logger<false> frdLogger;
     static Logger<false> fsLogger;
     static Logger<false> hidLogger;

include/services/dlp_srvr.hpp

@@ -0,0 +1,21 @@
+#pragma once
+#include "helpers.hpp"
+#include "kernel_types.hpp"
+#include "logger.hpp"
+#include "memory.hpp"
+
+// Please forgive me for how everything in this file is named
+// "dlp:SRVR" is not a nice name to work with
+class DlpSrvrService {
+	Handle handle = KernelHandles::DLP_SRVR;
+	Memory& mem;
+	MAKE_LOG_FUNCTION(log, dlpSrvrLogger)
+
+	// Service commands
+	void isChild(u32 messagePointer);
+
+public:
+	DlpSrvrService(Memory& mem) : mem(mem) {}
+	void reset();
+	void handleSyncRequest(u32 messagePointer);
+};

include/services/service_manager.hpp

@@ -12,6 +12,7 @@
 #include "services/cam.hpp"
 #include "services/cecd.hpp"
 #include "services/cfg.hpp"
+#include "services/dlp_srvr.hpp"
 #include "services/dsp.hpp"
 #include "services/hid.hpp"
 #include "services/frd.hpp"
@@ -46,6 +47,7 @@ class ServiceManager {
 	CAMService cam;
 	CECDService cecd;
 	CFGService cfg;
+	DlpSrvrService dlp_srvr;
 	DSPService dsp;
 	HIDService hid;
 	FRDService frd;

src/core/services/dlp_srvr.cpp

@@ -0,0 +1,32 @@
+#include "services/dlp_srvr.hpp"
+#include "ipc.hpp"
+
+namespace DlpSrvrCommands {
+	enum : u32 {
+		IsChild = 0x000E0040
+	};
+}
+
+namespace Result {
+	enum : u32 {
+		Success = 0,
+	};
+}
+
+void DlpSrvrService::reset() {}
+
+void DlpSrvrService::handleSyncRequest(u32 messagePointer) {
+	const u32 command = mem.read32(messagePointer);
+	switch (command) {
+		case DlpSrvrCommands::IsChild: isChild(messagePointer); break;
+		default: Helpers::panic("DLP::SRVR service requested. Command: %08X\n", command);
+	}
+}
+
+void DlpSrvrService::isChild(u32 messagePointer) {
+	log("DLP::SRVR: IsChild\n");
+
+	mem.write32(messagePointer, IPC::responseHeader(0x0E, 2, 0));
+	mem.write32(messagePointer + 4, Result::Success);
+	mem.write32(messagePointer + 8, 0); // We are responsible adults
+}

src/core/services/service_manager.cpp

@@ -5,7 +5,7 @@
 
 ServiceManager::ServiceManager(std::array<u32, 16>& regs, Memory& mem, GPU& gpu, u32& currentPID, Kernel& kernel)
 	: regs(regs), mem(mem), kernel(kernel), ac(mem), am(mem), boss(mem), act(mem), apt(mem, kernel), cam(mem),
-	cecd(mem, kernel), cfg(mem), dsp(mem, kernel), hid(mem, kernel), frd(mem), fs(mem, kernel),
+	cecd(mem, kernel), cfg(mem), dlp_srvr(mem), dsp(mem, kernel), hid(mem, kernel), frd(mem), fs(mem, kernel),
 	gsp_gpu(mem, gpu, kernel, currentPID), gsp_lcd(mem), ldr(mem), mic(mem), nfc(mem, kernel), nim(mem), ndm(mem),
 	ptm(mem), y2r(mem, kernel) {}
 
@@ -21,6 +21,7 @@ void ServiceManager::reset() {
 	cam.reset();
 	cecd.reset();
 	cfg.reset();
+	dlp_srvr.reset();
 	dsp.reset();
 	hid.reset();
 	frd.reset();
@@ -97,6 +98,7 @@ static std::map<std::string, Handle> serviceMap = {
 	{ "cam:u", KernelHandles::CAM },
 	{ "cecd:u", KernelHandles::CECD },
 	{ "cfg:u", KernelHandles::CFG },
+	{ "dlp:SRVR", KernelHandles::DLP_SRVR },
 	{ "dsp::DSP", KernelHandles::DSP },
 	{ "hid:USER", KernelHandles::HID },
 	{ "frd:u", KernelHandles::FRD },
@@ -170,6 +172,7 @@ void ServiceManager::sendCommandToService(u32 messagePointer, Handle handle) {
 		case KernelHandles::GPU: [[likely]] gsp_gpu.handleSyncRequest(messagePointer); break;
 		case KernelHandles::FS: [[likely]] fs.handleSyncRequest(messagePointer); break;
 		case KernelHandles::APT: [[likely]] apt.handleSyncRequest(messagePointer); break;
+		case KernelHandles::DSP: [[likely]] dsp.handleSyncRequest(messagePointer); break;
 
         case KernelHandles::AC: ac.handleSyncRequest(messagePointer); break;
 		case KernelHandles::ACT: act.handleSyncRequest(messagePointer); break;
@@ -178,7 +181,7 @@ void ServiceManager::sendCommandToService(u32 messagePointer, Handle handle) {
 		case KernelHandles::CAM: cam.handleSyncRequest(messagePointer); break;
 		case KernelHandles::CECD: cecd.handleSyncRequest(messagePointer); break;
 		case KernelHandles::CFG: cfg.handleSyncRequest(messagePointer); break;
-		case KernelHandles::DSP: dsp.handleSyncRequest(messagePointer); break;
+		case KernelHandles::DLP_SRVR: dlp_srvr.handleSyncRequest(messagePointer); break;
 		case KernelHandles::HID: hid.handleSyncRequest(messagePointer); break;
         case KernelHandles::FRD: frd.handleSyncRequest(messagePointer); break;
 		case KernelHandles::LCD: gsp_lcd.handleSyncRequest(messagePointer); break;